421292601 has 12 divisors (see below), whose sum is σ = 620016228. Its totient is φ = 275562144.

The previous prime is 421292593. The next prime is 421292609. The reversal of 421292601 is 106292124.

421292601 is a `hidden beast` number, since 42 + 12 + 9 + 2 + 601 = 666.

It is an interprime number because it is at equal distance from previous prime (421292593) and next prime (421292609).

It can be written as a sum of positive squares in 2 ways, for example, as 189035001 + 232257600 = 13749^2 + 15240^2 .

It is not a de Polignac number, because 421292601 - 2³ = 421292593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421292609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441130 + ... + 442083.

It is an arithmetic number, because the mean of its divisors is an integer number (51668019).

Almost surely, 2^421292601 is an apocalyptic number.

It is an amenable number.

421292601 is a deficient number, since it is larger than the sum of its proper divisors (198723627).

421292601 is a wasteful number, since it uses less digits than its factorization.

421292601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883272 (or 883269 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 421292601 is about 20525.4135402919. The cubic root of 421292601 is about 749.6547157294.

The spelling of 421292601 in words is "four hundred twenty-one million, two hundred ninety-two thousand, six hundred one".